Smart Tag Biking

Collaborate in real-time with RFID smart tags. Smart tags will enable social networking while biking. ...

... "The program, which formally gets underway in 2009, will work through a smart tag that functions a lot like RFID (radio frequency identification) technology. The tag, which they expect to be the size of a USB flash drive, can be installed under a bike seat, inside the frame, or on a headlight. " ...

Via The Boston Globe: MIT bike mechanics